usrp-e: merged master, does not build

27 files changed, 401 insertions, 1901 deletions

diff --git a/firmware/microblaze/lib/.gitignore b/firmware/microblaze/lib/.gitignore
deleted file mode 100644
index 5d838bf6c..000000000
--- a/firmware/microblaze/lib/.gitignore
+++ /dev/null
@@ -1,40 +0,0 @@
-*~
-/*-stamp
-/*.a
-/*.bin
-/*.dump
-/*.log
-/*.rom
-/.deps
-/Makefile
-/Makefile.in
-/aclocal.m4
-/autom4te.cache
-/blink_leds
-/blink_leds2
-/build
-/compile
-/config.h
-/config.h.in
-/config.log
-/config.status
-/configure
-/depcomp
-/eth_test
-/gen_eth_packets
-/ibs_rx_test
-/ibs_tx_test
-/install-sh
-/libtool
-/ltmain.sh
-/missing
-/py-compile
-/rcv_eth_packets
-/run_tests.sh
-/stamp-h1
-/test1
-/test_phy_comm
-/timer_test
-/buf_ram_test
-/buf_ram_zero
-/hello
diff --git a/firmware/microblaze/lib/Makefile.am b/firmware/microblaze/lib/Makefile.am
deleted file mode 100644
index b51d74463..000000000
--- a/firmware/microblaze/lib/Makefile.am
+++ /dev/null
@@ -1,87 +0,0 @@
-#
-# Copyright 2010 Ettus Research LLC
-#
-# Copyright 2007 Free Software Foundation, Inc.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-include $(top_srcdir)/Makefile.common
-
-noinst_LIBRARIES = \
-	libu2fw.a
-
-libu2fw_a_SOURCES = \
-	abort.c \
-	ad9510.c \
-	bsm12.c \
-	buffer_pool.c \
-	clocks.c \
-	dbsm.c \
-	eeprom.c \
-	ethernet.c \
-	eth_mac.c \
-	_exit.c \
-	exit.c \
-	hal_io.c \
-	hal_uart.c \
-	i2c.c \
-	mdelay.c \
-	memcpy_wa.c \
-	memset_wa.c \
-	nonstdio.c \
-	pic.c \
-	print_mac_addr.c \
-	print_rmon_regs.c \
-	print_buffer.c \
-	printf.c \
-	sd.c \
-	spi.c \
-	u2_init.c \
-	net_common.c \
-	arp_cache.c \
-	banal.c
-
-noinst_HEADERS = \
-	ad9510.h \
-	bsm12.h \
-	buffer_pool.h \
-	clocks.h \
-	dbsm.h \
-	eth_mac.h \
-	eth_mac_regs.h \
-	eth_phy.h \
-	ethernet.h \
-	hal_io.h \
-	hal_uart.h \
-	i2c.h \
-	mdelay.h \
-	memcpy_wa.h \
-	memory_map.h \
-	memset_wa.h \
-	nonstdio.h \
-	pic.h \
-	print_rmon_regs.h \
-	sd.h \
-	spi.h \
-	stdint.h \
-	stdio.h \
-	u2_init.h \
-	usrp2_bytesex.h \
-	wb16550.h \
-	net_common.h \
-	if_arp.h \
-	arp_cache.h \
-	banal.h \
-	ethertype.h
diff --git a/firmware/microblaze/lib/Makefile.inc b/firmware/microblaze/lib/Makefile.inc
new file mode 100644
index 000000000..a576d1ccb
--- /dev/null
+++ b/firmware/microblaze/lib/Makefile.inc
@@ -0,0 +1,47 @@
+#
+# Copyright 2010 Ettus Research LLC
+#
+# Copyright 2007 Free Software Foundation, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+COMMON_SRCS = \
+	$(top_srcdir)/lib/u2_init.c \
+	$(top_srcdir)/lib/abort.c \
+	$(top_srcdir)/lib/ad9510.c \
+	$(top_srcdir)/lib/bsm12.c \
+	$(top_srcdir)/lib/buffer_pool.c \
+	$(top_srcdir)/lib/clocks.c \
+	$(top_srcdir)/lib/dbsm.c \
+	$(top_srcdir)/lib/eeprom.c \
+	$(top_srcdir)/lib/eth_mac.c \
+	$(top_srcdir)/lib/_exit.c \
+	$(top_srcdir)/lib/exit.c \
+	$(top_srcdir)/lib/hal_io.c \
+	$(top_srcdir)/lib/hal_uart.c \
+	$(top_srcdir)/lib/i2c.c \
+	$(top_srcdir)/lib/mdelay.c \
+	$(top_srcdir)/lib/memcpy_wa.c \
+	$(top_srcdir)/lib/memset_wa.c \
+	$(top_srcdir)/lib/nonstdio.c \
+	$(top_srcdir)/lib/pic.c \
+	$(top_srcdir)/lib/print_mac_addr.c \
+	$(top_srcdir)/lib/print_rmon_regs.c \
+	$(top_srcdir)/lib/print_buffer.c \
+	$(top_srcdir)/lib/printf.c \
+	$(top_srcdir)/lib/spi.c \
+	$(top_srcdir)/lib/net_common.c \
+	$(top_srcdir)/lib/arp_cache.c \
+	$(top_srcdir)/lib/banal.c
diff --git a/firmware/microblaze/lib/clock_bits.h b/firmware/microblaze/lib/clock_bits.h
new file mode 100644
index 000000000..d2052e941
--- /dev/null
+++ b/firmware/microblaze/lib/clock_bits.h
@@ -0,0 +1,55 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+/*
+ * Copyright 2008 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_USRP2_CLOCK_BITS_H
+#define INCLUDED_USRP2_CLOCK_BITS_H
+
+#define	_MC_WE_LOCK			0x0001
+#define	_MC_MIMO_CLK_INPUT		0x0002		// else SMA input
+
+/*
+ * Derived masks (use these):
+ *
+ * We get our input from 1 of three places:
+ *  Our free running oscilator, our SMA connector, or from the MIMO connector
+ */
+#define	MC_WE_DONT_LOCK			0x0000
+#define	MC_WE_LOCK_TO_SMA		(_MC_WE_LOCK | 0)
+#define	MC_WE_LOCK_TO_MIMO		(_MC_WE_LOCK | _MC_MIMO_CLK_INPUT)
+
+/*
+ * Independent of the source of the clock, we may or may not drive our
+ * clock onto the mimo connector.  Note that there are dedicated clock
+ * signals in each direction, so disaster doesn't occurs if we're
+ * unnecessarily providing clock.
+ */
+#define	MC_PROVIDE_CLK_TO_MIMO		0x0004
+
+#define MC_REF_CLK_MASK          0x0f
+
+#define MC_PPS_SOURCE_SMA        (0x00 << 4)
+#define MC_PPS_SOURCE_MIMO       (0x01 << 4)
+
+#define MC_PPS_POLARITY_NEG      (0x00 << 5)
+#define MC_PPS_POLARITY_POS      (0x01 << 5)
+
+#endif /* INCLUDED_USRP2_CLOCK_BITS_H */
diff --git a/firmware/microblaze/lib/clocks.c b/firmware/microblaze/lib/clocks.c
index ccc4a7cc7..2b352a385 100644
--- a/firmware/microblaze/lib/clocks.c
+++ b/firmware/microblaze/lib/clocks.c
@@ -25,40 +25,60 @@
 #include "ad9510.h"
 #include "spi.h"
 #include "u2_init.h"
-#include "nonstdio.h"
+
+//USRP2PLUS clocks:
+//Clock 0: testclk
+//Clock 1: FPGA clk
+//Clock 2: ADC clk
+//Clock 3: DAC clk
+//Clock 4: SER clk
+//Clock 5: TX dboard clk
+//Clock 6: EXP clk
+//Clock 7: RX dboard clk
+
+//TODO: should have enough brains to init the FPGA clock for USRP2+. all others are suspect.
+//note that without EEPROM support u2_hw_rev_major is going to be incorrect.
 
 void 
 clocks_init(void)
 {
   // Set up basic clocking functions in AD9510
-  ad9510_write_reg(0x45, 0x00); // CLK2 drives distribution
+  ad9510_write_reg(0x45, 0x01); // CLK2 drives distribution
 
+  //enable the 100MHz clock output to the FPGA for 50MHz CPU clock
   clocks_enable_fpga_clk(true, 1);
 
   spi_wait();
 
   // Set up PLL for 10 MHz reference
   // Reg 4, A counter, Don't Care
-  ad9510_write_reg(0x05, 0x00);  // Reg 5, B counter MSBs, 0
-  ad9510_write_reg(0x06, 0x05);  // Reg 6, B counter LSBs, 5
+//  ad9510_write_reg(0x05, 0x00);  // Reg 5, B counter MSBs, 0
+//  ad9510_write_reg(0x06, 0x05);  // Reg 6, B counter LSBs, 5
   // Reg 7, Loss of reference detect, doesn't work yet, 0
-  ad9510_write_reg(0x5A, 0x01); // Update Regs
+//  ad9510_write_reg(0x5A, 0x01); // Update Regs
 
   // Primary clock configuration
-  clocks_mimo_config(MC_WE_DONT_LOCK);
+//  clocks_mimo_config(MC_WE_DONT_LOCK);
+
+
+  //wait for the clock to stabilize
+  while(!clocks_lock_detect());
+
+  //issue a reset to the DCM so it locks up to the new freq
+  output_regs->clk_ctrl |= CLK_RESET;
 
   // Set up other clocks
   //clocks_enable_test_clk(false, 0);
   //clocks_enable_tx_dboard(false, 0);
   //clocks_enable_rx_dboard(false, 0);
-  clocks_enable_eth_phyclk(false, 0);
+//  clocks_enable_eth_phyclk(false, 0); //PHY clk is separate now (u2r4, u2p)
 
   // Enable clock to ADCs and DACs
   //clocks_enable_dac_clk(true, 1);
   //clocks_enable_adc_clk(true, 1);
 }
 
-
+/*
 void
 clocks_mimo_config(int flags)
 {
@@ -86,7 +106,7 @@ clocks_mimo_config(int flags)
   spi_wait();
   
   // Allow for clock switchover
-  
+  // The below masks include 0x10, which issues a reset to the DCM.  
   if (flags & _MC_WE_LOCK){		// WE LOCK
     if (flags & _MC_MIMO_CLK_INPUT) {
       // Turn on ref output and choose the MIMO connector
@@ -103,18 +123,17 @@ clocks_mimo_config(int flags)
   }
 
   // Do we drive a clock onto the MIMO connector?
-  if (flags & MC_PROVIDE_CLK_TO_MIMO)
-    clocks_enable_clkexp_out(true,10);
-  else
-    clocks_enable_clkexp_out(false,0); 
+//  if (flags & MC_PROVIDE_CLK_TO_MIMO)
+//    clocks_enable_clkexp_out(true,10);
+//  else
+//    clocks_enable_clkexp_out(false,0); 
 }
+*/
 
 bool 
 clocks_lock_detect()
 {
-  if(pic_regs->pending & PIC_CLKSTATUS)
-    return true;
-  return false;
+    return (pic_regs->pending & PIC_CLKSTATUS);
 }
 
 int inline
@@ -136,21 +155,23 @@ clocks_gen_div(int divisor)
 #define CLOCK_MODE_LVDS 2
 #define CLOCK_MODE_CMOS 3
 
+//CHANGED: set to PECL for default behavior
 void 
 clocks_enable_XXX_clk(bool enable, int divisor, int reg_en, int reg_div, int mode)
 {
   int enable_word, div_word, div_en_word;
 
   switch(mode) {
-  case CLOCK_MODE_PECL :
-    enable_word = enable ? 0x08 : 0x0A;
-    break;
   case CLOCK_MODE_LVDS :
     enable_word = enable ? 0x02 : 0x03;
     break;
   case CLOCK_MODE_CMOS :
     enable_word = enable ? 0x08 : 0x09;
     break;
+  case CLOCK_MODE_PECL :
+	default:
+    enable_word = enable ? 0x08 : 0x0A;
+    break;
   }
   if(enable && (divisor>1)) {
     div_word = clocks_gen_div(divisor);
@@ -180,8 +201,8 @@ clocks_enable_fpga_clk(bool enable, int divisor)
 {
   clocks_enable_XXX_clk(enable,divisor,0x3D,0x4A,CLOCK_MODE_PECL);
 }
-
-// Clock 2 on Rev 3, Clock 5 on Rev 4
+/*
+// Clock 2 on Rev 3, Clock 5 on Rev 4, Clock 6 on USRP2+
 void
 clocks_enable_clkexp_out(bool enable, int divisor)
 {
@@ -192,13 +213,19 @@ clocks_enable_clkexp_out(bool enable, int divisor)
     ad9510_write_reg(0x35,0x00);  // Set Full Scale to nearly 10ns
     ad9510_write_reg(0x36,0x1c);  // Set fine delay.  0x20 is midscale
     clocks_enable_XXX_clk(enable,divisor,0x41,0x52,CLOCK_MODE_LVDS);
-    
   }
+	else if(u2_hw_rev_major == 10) {
+		ad9510_write_reg(0x34, 0x00);
+		ad9510_write_reg(0x35, 0x00);
+		ad9510_write_reg(0x36, 0x1C);
+		clocks_enable_XXX_clk(enable, divisor, 0x42, 0x52, CLOCK_MODE_LVDS);
+	}
   else
-    putstr("ERR: Invalid Rev\n");
+    putstr("ERR (clocks_enable_clkexp_out): Invalid hw rev, don't know what to do!\n");
 }
-
-// Clock 5 on Rev 3, none (was 2) on Rev 4
+*/
+/*
+// Clock 5 on Rev 3, none (was 2) on Rev 4, none on USRP2+
 void
 clocks_enable_eth_phyclk(bool enable, int divisor)
 {
@@ -207,9 +234,9 @@ clocks_enable_eth_phyclk(bool enable, int divisor)
   else if(u2_hw_rev_major == 4)
     clocks_enable_XXX_clk(enable,divisor,0x3E,0x4C,CLOCK_MODE_PECL);
   else
-    putstr("ERR: Invalid Rev\n");
+    putstr("(clocks_enable_eth_phyclk): no eth PHY clock or invalid hw rev\n"); //not really an error
 }
-
+*/
 // Clock 3
 /*void
 clocks_enable_dac_clk(bool enable, int divisor)
diff --git a/firmware/microblaze/lib/clocks.h b/firmware/microblaze/lib/clocks.h
index 43d5a05c2..28d1d542f 100644
--- a/firmware/microblaze/lib/clocks.h
+++ b/firmware/microblaze/lib/clocks.h
@@ -26,7 +26,7 @@
  */
 
 #include <stdbool.h>
-#include <usrp2_clock_bits.h>
+#include "clock_bits.h"
 
 
 /*!
@@ -43,7 +43,7 @@ void clocks_init(void);
  * Configure our master clock source, and whether or not we drive a
  * clock onto the mimo connector.  See MC_flags in usrp2_mimo_config.h.
  */
-void clocks_mimo_config(int flags);
+//void clocks_mimo_config(int flags);
 
 /*!
  * \brief Lock Detect -- Return True if our PLL is locked
@@ -63,12 +63,12 @@ void clocks_enable_fpga_clk(bool enable, int divisor);
 /*!
  * \brief Enable or disable clock output sent to MIMO connector
  */
-void clocks_enable_clkexp_out(bool enable, int divisor);
+//void clocks_enable_clkexp_out(bool enable, int divisor);
 
 /*!
  * \brief Enable or disable ethernet phyclk, should always be disabled
  */
-void clocks_enable_eth_phyclk(bool enable, int divisor);
+//void clocks_enable_eth_phyclk(bool enable, int divisor);
 
 /*!
  * \brief Enable or disable clock to DAC
diff --git a/firmware/microblaze/lib/compiler.h b/firmware/microblaze/lib/compiler.h
new file mode 100644
index 000000000..4fa9b49f8
--- /dev/null
+++ b/firmware/microblaze/lib/compiler.h
@@ -0,0 +1,25 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Ettus Research LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef INCLUDED_COMPILER_H
+#define INCLUDED_COMPILER_H
+
+// FIXME gcc specific.
+#define _AL4   __attribute__((aligned (4)))
+
+
+#endif /* INCLUDED_COMPILER_H */
diff --git a/firmware/microblaze/lib/eth_mac.c b/firmware/microblaze/lib/eth_mac.c
index 375d3f4d4..034a4d494 100644
--- a/firmware/microblaze/lib/eth_mac.c
+++ b/firmware/microblaze/lib/eth_mac.c
@@ -83,14 +83,6 @@ eth_mac_read_rmon(int addr)
 int
 eth_mac_miim_read(int addr)
 {
-  if (hwconfig_simulation_p()){
-    switch(addr){
-    case PHY_LINK_AN:
-      return LANSR_MASTER | LANSR_LINK_GOOD | LANSR_SPEED_1000;
-    default:
-      return 0;
-    }
-  }
 
   int phy_addr = PHY_ADDR;
   eth_mac->miiaddress = ((addr & 0x1f) << 8) | phy_addr;
@@ -112,7 +104,7 @@ eth_mac_miim_write(int addr, int value)
   eth_mac->miitx_data = value;
   eth_mac->miicommand = MIIC_WCTRLDATA;
 
-  //printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value);
+//  printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value);
   while((eth_mac->miistatus & MIIS_BUSY) != 0)
     ;
 }
diff --git a/firmware/microblaze/lib/eth_phy.h b/firmware/microblaze/lib/eth_phy.h
deleted file mode 100644
index 6c16f97b7..000000000
--- a/firmware/microblaze/lib/eth_phy.h
+++ /dev/null
@@ -1,219 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Much of this was extracted from the Linux e1000_hw.h file */
-
-#ifndef INCLUDED_ETH_PHY_H
-#define INCLUDED_ETH_PHY_H
-
-/* PHY 1000 MII Register/Bit Definitions */
-/* PHY Registers defined by IEEE */
-
-#define PHY_CTRL         0x00 /* Control Register */
-#define PHY_STATUS       0x01 /* Status Regiser */
-#define PHY_ID1          0x02 /* Phy Id Reg (word 1) */
-#define PHY_ID2          0x03 /* Phy Id Reg (word 2) */
-#define PHY_AUTONEG_ADV  0x04 /* Autoneg Advertisement */
-#define PHY_LP_ABILITY   0x05 /* Link Partner Ability (Base Page) */
-#define PHY_AUTONEG_EXP  0x06 /* Autoneg Expansion Reg */
-#define PHY_NEXT_PAGE_TX 0x07 /* Next Page TX */
-#define PHY_LP_NEXT_PAGE 0x08 /* Link Partner Next Page */
-#define PHY_1000T_CTRL   0x09 /* 1000Base-T Control Reg */
-#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
-#define PHY_EXT_STATUS   0x0F /* Extended Status Reg */
-
-/* PHY 1000 MII Register additions in DP83856 */
-/* The part implements 0x00 thru 0x1f; we use these. */
-
-#define	PHY_LINK_AN	 0x11 /* Link and Auto Negotiation Status Reg */
-#define PHY_INT_STATUS	 0x14 /* Interupt Status Reg (RO) */
-#define PHY_INT_MASK	 0x15 /* Interrupt Mask Reg  (RW) */
-#define PHY_INT_CLEAR    0x17 /* Interrupt Clear Reg (RW) */
-
-
-/* Bit definitions for some of the registers above */
-
-/* PHY Control Register (PHY_CTRL) */
-#define MII_CR_SPEED_SELECT_MSB 0x0040  /* bits 6,13: 10=1000, 01=100, 00=10 */
-#define MII_CR_COLL_TEST_ENABLE 0x0080  /* Collision test enable */
-#define MII_CR_FULL_DUPLEX      0x0100  /* FDX =1, half duplex =0 */
-#define MII_CR_RESTART_AUTO_NEG 0x0200  /* Restart auto negotiation */
-#define MII_CR_ISOLATE          0x0400  /* Isolate PHY from MII */
-#define MII_CR_POWER_DOWN       0x0800  /* Power down */
-#define MII_CR_AUTO_NEG_EN      0x1000  /* Auto Neg Enable */
-#define MII_CR_SPEED_SELECT_LSB 0x2000  /* bits 6,13: 10=1000, 01=100, 00=10 */
-#define MII_CR_LOOPBACK         0x4000  /* 0 = normal, 1 = loopback */
-#define MII_CR_RESET            0x8000  /* 0 = normal, 1 = PHY reset */
-
-/* PHY Status Register (PHY_STATUS) */
-#define MII_SR_EXTENDED_CAPS     0x0001 /* Extended register capabilities */
-#define MII_SR_JABBER_DETECT     0x0002 /* Jabber Detected */
-#define MII_SR_LINK_STATUS       0x0004 /* Link Status 1 = link */
-#define MII_SR_AUTONEG_CAPS      0x0008 /* Auto Neg Capable */
-#define MII_SR_REMOTE_FAULT      0x0010 /* Remote Fault Detect */
-#define MII_SR_AUTONEG_COMPLETE  0x0020 /* Auto Neg Complete */
-#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */
-#define MII_SR_EXTENDED_STATUS   0x0100 /* Ext. status info in Reg 0x0F */
-#define MII_SR_100T2_HD_CAPS     0x0200 /* 100T2 Half Duplex Capable */
-#define MII_SR_100T2_FD_CAPS     0x0400 /* 100T2 Full Duplex Capable */
-#define MII_SR_10T_HD_CAPS       0x0800 /* 10T   Half Duplex Capable */
-#define MII_SR_10T_FD_CAPS       0x1000 /* 10T   Full Duplex Capable */
-#define MII_SR_100X_HD_CAPS      0x2000 /* 100X  Half Duplex Capable */
-#define MII_SR_100X_FD_CAPS      0x4000 /* 100X  Full Duplex Capable */
-#define MII_SR_100T4_CAPS        0x8000 /* 100T4 Capable */
-
-/* Autoneg Advertisement Register (PHY_AUTONEG_ADV) */
-#define NWAY_AR_SELECTOR_FIELD 0x0001   /* indicates IEEE 802.3 CSMA/CD */
-#define NWAY_AR_10T_HD_CAPS    0x0020   /* 10T   Half Duplex Capable */
-#define NWAY_AR_10T_FD_CAPS    0x0040   /* 10T   Full Duplex Capable */
-#define NWAY_AR_100TX_HD_CAPS  0x0080   /* 100TX Half Duplex Capable */
-#define NWAY_AR_100TX_FD_CAPS  0x0100   /* 100TX Full Duplex Capable */
-#define NWAY_AR_100T4_CAPS     0x0200   /* 100T4 Capable */
-#define NWAY_AR_PAUSE          0x0400   /* Pause operation desired */
-#define NWAY_AR_ASM_DIR        0x0800   /* Asymmetric Pause Direction bit */
-#define NWAY_AR_REMOTE_FAULT   0x2000   /* Remote Fault detected */
-#define NWAY_AR_NEXT_PAGE      0x8000   /* Next Page ability supported */
-
-/* Link Partner Ability Register (Base Page) (PHY_LP_ABILITY) */
-#define NWAY_LPAR_SELECTOR_FIELD 0x0000 /* LP protocol selector field */
-#define NWAY_LPAR_10T_HD_CAPS    0x0020 /* LP is 10T   Half Duplex Capable */
-#define NWAY_LPAR_10T_FD_CAPS    0x0040 /* LP is 10T   Full Duplex Capable */
-#define NWAY_LPAR_100TX_HD_CAPS  0x0080 /* LP is 100TX Half Duplex Capable */
-#define NWAY_LPAR_100TX_FD_CAPS  0x0100 /* LP is 100TX Full Duplex Capable */
-#define NWAY_LPAR_100T4_CAPS     0x0200 /* LP is 100T4 Capable */
-#define NWAY_LPAR_PAUSE          0x0400 /* LP Pause operation desired */
-#define NWAY_LPAR_ASM_DIR        0x0800 /* LP Asymmetric Pause Direction bit */
-#define NWAY_LPAR_REMOTE_FAULT   0x2000 /* LP has detected Remote Fault */
-#define NWAY_LPAR_ACKNOWLEDGE    0x4000 /* LP has rx'd link code word */
-#define NWAY_LPAR_NEXT_PAGE      0x8000 /* Next Page ability supported */
-
-/* Autoneg Expansion Register (PHY_AUTONEG_EXP) */
-#define NWAY_ER_LP_NWAY_CAPS      0x0001 /* LP has Auto Neg Capability */
-#define NWAY_ER_PAGE_RXD          0x0002 /* LP is 10T   Half Duplex Capable */
-#define NWAY_ER_NEXT_PAGE_CAPS    0x0004 /* LP is 10T   Full Duplex Capable */
-#define NWAY_ER_LP_NEXT_PAGE_CAPS 0x0008 /* LP is 100TX Half Duplex Capable */
-#define NWAY_ER_PAR_DETECT_FAULT  0x0010 /* LP is 100TX Full Duplex Capable */
-
-/* Next Page TX Register (PHY_NEXT_PAGE_TX) */
-#define NPTX_MSG_CODE_FIELD 0x0001 /* NP msg code or unformatted data */
-#define NPTX_TOGGLE         0x0800 /* Toggles between exchanges
-                                    * of different NP
-                                    */
-#define NPTX_ACKNOWLDGE2    0x1000 /* 1 = will comply with msg
-                                    * 0 = cannot comply with msg
-                                    */
-#define NPTX_MSG_PAGE       0x2000 /* formatted(1)/unformatted(0) pg */
-#define NPTX_NEXT_PAGE      0x8000 /* 1 = addition NP will follow
-                                    * 0 = sending last NP
-                                    */
-
-/* Link Partner Next Page Register (PHY_LP_NEXT_PAGE) */
-#define LP_RNPR_MSG_CODE_FIELD 0x0001 /* NP msg code or unformatted data */
-#define LP_RNPR_TOGGLE         0x0800 /* Toggles between exchanges
-                                       * of different NP
-                                       */
-#define LP_RNPR_ACKNOWLDGE2    0x1000 /* 1 = will comply with msg
-                                       * 0 = cannot comply with msg
-                                       */
-#define LP_RNPR_MSG_PAGE       0x2000  /* formatted(1)/unformatted(0) pg */
-#define LP_RNPR_ACKNOWLDGE     0x4000  /* 1 = ACK / 0 = NO ACK */
-#define LP_RNPR_NEXT_PAGE      0x8000  /* 1 = addition NP will follow
-                                        * 0 = sending last NP
-                                        */
-
-/* 1000BASE-T Control Register (PHY_1000T_CTRL) */
-#define CR_1000T_ASYM_PAUSE      0x0080 /* Advertise asymmetric pause bit */
-#define CR_1000T_HD_CAPS         0x0100 /* Advertise 1000T HD capability */
-#define CR_1000T_FD_CAPS         0x0200 /* Advertise 1000T FD capability  */
-#define CR_1000T_REPEATER_DTE    0x0400 /* 1=Repeater/switch device port */
-                                        /* 0=DTE device */
-#define CR_1000T_MS_VALUE        0x0800 /* 1=Configure PHY as Master */
-                                        /* 0=Configure PHY as Slave */
-#define CR_1000T_MS_ENABLE       0x1000 /* 1=Master/Slave manual config value */
-                                        /* 0=Automatic Master/Slave config */
-#define CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */
-#define CR_1000T_TEST_MODE_1     0x2000 /* Transmit Waveform test */
-#define CR_1000T_TEST_MODE_2     0x4000 /* Master Transmit Jitter test */
-#define CR_1000T_TEST_MODE_3     0x6000 /* Slave Transmit Jitter test */
-#define CR_1000T_TEST_MODE_4     0x8000 /* Transmitter Distortion test */
-
-/* 1000BASE-T Status Register (PHY_1000T_STATUS) */
-#define SR_1000T_IDLE_ERROR_CNT   0x00FF /* Num idle errors since last read */
-#define SR_1000T_ASYM_PAUSE_DIR   0x0100 /* LP asymmetric pause direction bit */
-#define SR_1000T_LP_HD_CAPS       0x0400 /* LP is 1000T HD capable */
-#define SR_1000T_LP_FD_CAPS       0x0800 /* LP is 1000T FD capable */
-#define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
-#define SR_1000T_LOCAL_RX_STATUS  0x2000 /* Local receiver OK */
-#define SR_1000T_MS_CONFIG_RES    0x4000 /* 1=Local TX is Master, 0=Slave */
-#define SR_1000T_MS_CONFIG_FAULT  0x8000 /* Master/Slave config fault */
-#define SR_1000T_REMOTE_RX_STATUS_SHIFT          12
-#define SR_1000T_LOCAL_RX_STATUS_SHIFT           13
-#define SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT    5
-#define FFE_IDLE_ERR_COUNT_TIMEOUT_20            20
-#define FFE_IDLE_ERR_COUNT_TIMEOUT_100           100
-
-/* Extended Status Register (PHY_EXT_STATUS) */
-#define IEEE_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */
-#define IEEE_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */
-#define IEEE_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */
-#define IEEE_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */
-
-#define PHY_TX_POLARITY_MASK   0x0100 /* register 10h bit 8 (polarity bit) */
-#define PHY_TX_NORMAL_POLARITY 0      /* register 10h bit 8 (normal polarity) */
-
-#define AUTO_POLARITY_DISABLE  0x0010 /* register 11h bit 4 */
-                                      /* (0=enable, 1=disable) */
-
-/* Link and Auto Negotiation Status Reg (PHY_LINK_AN) [READ-ONLY] */
-#define	LANSR_MASTER           0x0001 /* 1=PHY is currently in master mode */
-#define	LANSR_FULL_DUPLEX      0x0002 /* 1=PHY is currently full duplex */
-#define LANSR_LINK_GOOD        0x0004 /* 1=a good link is established */
-#define LANSR_SPEED_MASK       0x0018
-#define	  LANSR_SPEED_10       0x0000 /*   10Mb/s */
-#define	  LANSR_SPEED_100      0x0008 /*  100Mb/s */
-#define	  LANSR_SPEED_1000     0x0010 /* 1000Mb/s */
-#define	  LANSR_SPEED_RSRVD    0x0018 /* reserved */
-#define LANSR_NON_COMP_MODE    0x0020 /* 1=detects only in non-compliant mode */
-#define	LANSR_DEEP_LOOPBACK    0x0040 /* 1=the PHY operates in deep loopback mode */
-#define	LANSR_SHALLOW_LOOPBACK 0x0080 /* 1=the PHY operates in shallow loopback mode */
-#define LANSR_RSRVD_8	       0x0100 /* reserved */
-#define LANSR_FIFO_ERR	       0x0200 /* 1=FIFO error occurred */
-#define	LANSR_MDIX_XOVER       0x0400 /* 1=PHY's MDI is in cross-over mode */
-#define	LANSR_RSRVD_11	       0x0800 /* resevered */
-#define	LANSR_TP_POLARITY_REV  0xf000 /* Twisted pair polarity status A:D([15:12]) 1=reversed */
-
-/* Interrupt status, mask and clear regs (PHY_INT_{STATUS,MASK,CLEAR}) */
-#define	PHY_INT_RSRVD_0	       0x0001 /* reserved */
-#define	PHY_INT_RSRVD_1	       0x0002 /* reserved */
-#define	PHY_INT_RSRVD_2	       0x0004 /* reserved */
-#define	PHY_INT_REM_FLT_CNG    0x0008 /* Remote Fault Changed */
-#define	PHY_INT_AN_CMPL	       0x0010 /* Auto-negotiation completion */
-#define	PHY_INT_NXT_PG_RCVD    0x0020 /* Next Page Received */
-#define PHY_INT_JABBER_CNG     0x0040 /* Jabber Changed */
-#define PHY_INT_NO_LINK	       0x0080 /* No link after auto-negotiation */
-#define PHY_INT_NO_HCD	       0x0100 /* AN couldn't determine highest common denominator */
-#define PHY_INT_MAS_SLA_ERR    0x0200 /* Master / Slave Error: couldn't resolve */
-#define PHY_INT_PRL_DET_FLT    0x0400 /* Parallel detection fault */
-#define PHY_INT_POL_CNG	       0x0800 /* Polarity of any channel changed */
-#define	PHY_INT_MDIX_CNG       0x1000 /* MDIX changed.  A pair swap occurred. */
-#define PHY_INT_DPLX_CNG       0x2000 /* Duplex changed */
-#define PHY_INT_LNK_CNG	       0x4000 /* Link changed (asserted when a link is established or broken) */
-#define PHY_INT_SPD_CNG	       0x8000 /* Speed changed */
-
-#endif /* INCLUDED_ETH_PHY_H */
diff --git a/firmware/microblaze/lib/ethernet.c b/firmware/microblaze/lib/ethernet.c
deleted file mode 100644
index 34a3ad7c1..000000000
--- a/firmware/microblaze/lib/ethernet.c
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "ethernet.h"
-#include "memory_map.h"
-#include "eth_phy.h"
-#include "eth_mac.h"
-#include "eth_mac_regs.h"
-#include "pic.h"
-#include "hal_io.h"
-#include "nonstdio.h"
-#include <stdbool.h>
-#include "i2c.h"
-#include "usrp2_i2c_addr.h"
-
-
-#define VERBOSE 0
-
-static ethernet_t ed_state;
-static ethernet_link_changed_callback_t ed_callback = 0;
-
-void 
-ethernet_register_link_changed_callback(ethernet_link_changed_callback_t new_callback)
-{
-  ed_callback = new_callback;
-}
-
-
-static void
-ed_set_mac_speed(int speed)
-{
-  printf("Speed set to %d\n",speed);
-  /*
-  switch(speed){
-  case 10:
-    eth_mac->speed = 1;
-    break;
-  case 100:
-    eth_mac->speed = 2;
-    break;
-  case 1000:
-    eth_mac->speed = 4;
-    break;
-  default:
-    break;
-  }
-  */
-}
-
-static void
-ed_link_up(int speed)
-{
-  // putstr("ed_link_up: "); puthex16_nl(speed);
-
-  ed_set_mac_speed(speed);
-
-  if (ed_callback)		// fire link changed callback
-    (*ed_callback)(speed);
-}
-
-static void
-ed_link_down(void)
-{
-  // putstr("ed_link_down\n");
-
-  if (ed_callback)		// fire link changed callback
-    (*ed_callback)(0);
-}
-
-
-static void
-ed_link_speed_change(int speed)
-{
-  ed_link_down();
-  ed_link_up(speed);
-}
-
-static void
-print_flow_control(int flow_control)
-{
-  static const char *flow_control_msg[4] = {
-    "NONE", "WE_TX", "WE_RX", "SYMMETRIC"
-  };
-  putstr("ethernet flow control: ");
-  puts(flow_control_msg[flow_control & 0x3]);
-}
-
-static void
-check_flow_control_resolution(void)
-{
-  static const unsigned char table[16] = {
-    // index = {local_asm, local_pause, partner_asm, partner_pause}
-    FC_NONE,  FC_NONE,  FC_NONE,  FC_NONE,
-    FC_NONE,  FC_SYMM,  FC_NONE,  FC_SYMM,
-    FC_NONE,  FC_NONE,  FC_NONE,  FC_WE_TX,
-    FC_NONE,  FC_SYMM,  FC_WE_RX, FC_SYMM
-  };
-
-  int us = eth_mac_miim_read(PHY_AUTONEG_ADV);
-  int lp = eth_mac_miim_read(PHY_LP_ABILITY);
-  int index = (((us >> 10) & 0x3) << 2) | ((lp >> 10) & 0x3);
-  ed_state.flow_control = table[index];
-
-  if (1)
-    print_flow_control(ed_state.flow_control);
-}
-
-/*
- * Read the PHY state register to determine link state and speed
- */
-static void
-ed_check_phy_state(void)
-{
-  int lansr = eth_mac_miim_read(PHY_LINK_AN);
-  eth_link_state_t new_state = LS_UNKNOWN;
-  int new_speed = S_UNKNOWN;
-
-  if (VERBOSE){
-    putstr("LANSR: ");
-    puthex16_nl(lansr);
-  }
-
-  if (lansr & LANSR_LINK_GOOD){		// link's up
-    if (VERBOSE)
-      puts("  LINK_GOOD");
-
-    new_state = LS_UP;
-    switch (lansr & LANSR_SPEED_MASK){
-    case LANSR_SPEED_10:
-      new_speed = 10;
-      break;
-      
-    case LANSR_SPEED_100:
-      new_speed = 100;
-      break;
-      
-    case LANSR_SPEED_1000:
-      new_speed = 1000;
-      break;
-
-    default:
-      new_speed = S_UNKNOWN;
-      break;
-    }
-
-    check_flow_control_resolution();
-  }
-  else {				// link's down
-    if (VERBOSE)
-      puts("  NOT LINK_GOOD");
-    
-    new_state = LS_DOWN;
-    new_speed = S_UNKNOWN;
-  }
-
-  if (new_state != ed_state.link_state){
-    ed_state.link_state = new_state;		// remember new state
-    if (new_state == LS_UP)
-      ed_link_up(new_speed);
-    else if (new_state == LS_DOWN)
-      ed_link_down();
-  }
-  else if (new_state == LS_UP && new_speed != ed_state.link_speed){
-    ed_state.link_speed = new_speed;		// remember new speed
-    ed_link_speed_change(new_speed);
-  }
-}
-
-/*
- * This is fired when the ethernet PHY state changes
- */
-static void
-eth_phy_irq_handler(unsigned irq)
-{
-  ed_check_phy_state();
-  eth_mac_miim_write(PHY_INT_CLEAR, ~0);	// clear all ints
-}
-
-void
-ethernet_init(void)
-{
-  eth_mac_init(ethernet_mac_addr());
-
-  ed_state.link_state = LS_UNKNOWN;
-  ed_state.link_speed = S_UNKNOWN;
-
-  // initialize MAC registers
-  //  eth_mac->tx_hwmark = 0x1e;
-  //eth_mac->tx_lwmark = 0x19;
-
-  //eth_mac->crc_chk_en = 1;
-  //eth_mac->rx_max_length = 2048;
-
-  // configure PAUSE frame stuff
-  //eth_mac->tx_pause_en = 1;		// pay attn to pause frames sent to us
-
-  //eth_mac->pause_quanta_set = 38;	// a bit more than 1 max frame 16kb/512 + fudge
-  //eth_mac->pause_frame_send_en = 1;	// enable sending pause frames
-
-
-  // setup PHY to interrupt on changes
-
-  unsigned mask =
-    (PHY_INT_AN_CMPL		// auto-neg completed
-     | PHY_INT_NO_LINK		// no link after auto-neg
-     | PHY_INT_NO_HCD		// no highest common denominator
-     | PHY_INT_MAS_SLA_ERR	// couldn't resolve master/slave 
-     | PHY_INT_PRL_DET_FLT	// parallel detection fault
-     | PHY_INT_LNK_CNG		// link established or broken
-     | PHY_INT_SPD_CNG		// speed changed
-     );
-
-  eth_mac_miim_write(PHY_INT_CLEAR, ~0);	// clear all pending interrupts
-  eth_mac_miim_write(PHY_INT_MASK, mask);	// enable the ones we want
-
-  pic_register_handler(IRQ_PHY, eth_phy_irq_handler);
-
-  // Advertise our flow control configuation.
-  //
-  // We and the link partner each specify two bits in the base page
-  // related to autoconfiguration: NWAY_AR_PAUSE and NWAY_AR_ASM_DIR.
-  // The bits say what a device is "willing" to do, not what may actually
-  // happen as a result of the negotiation.  There are 4 cases:
-  //
-  // PAUSE  ASM_DIR
-  //
-  //  0        0        I have no flow control capability.
-  //
-  //  1        0        I both assert and respond to flow control.
-  //
-  //  0        1        I assert flow control, but cannot respond.  That is,
-  //                    I want to be able to send PAUSE frames, but will ignore any
-  //		 	you send to me.  (This is our configuration.)
-  //
-  //  1        1        I can both assert and respond to flow control AND I am willing
-  //                    to operate symmetrically OR asymmetrically in EITHER direction.
-  //                    (We hope the link partner advertises this, otherwise we don't
-  //			get what we want.)
-
-  int t = eth_mac_miim_read(PHY_AUTONEG_ADV);
-  t &= ~(NWAY_AR_PAUSE | NWAY_AR_ASM_DIR);
-  t |= NWAY_AR_ASM_DIR;
-
-  // Say we can't to 10BASE-T or 100BASE-TX, half or full duplex
-  t &= ~(NWAY_AR_10T_HD_CAPS | NWAY_AR_10T_FD_CAPS | NWAY_AR_100TX_HD_CAPS | NWAY_AR_100TX_FD_CAPS);
-
-  eth_mac_miim_write(PHY_AUTONEG_ADV, t);
-  int r = eth_mac_miim_read(PHY_AUTONEG_ADV);  		// DEBUG, read back
-  if (t != r){
-    printf("PHY_AUTONEG_ADV: wrote 0x%x, got 0x%x\n", t, r);
-  }
-
-  // Restart autonegotation.  
-  // We want to ensure that we're advertising our PAUSE capabilities.
-  t = eth_mac_miim_read(PHY_CTRL);
-  eth_mac_miim_write(PHY_CTRL, t | MII_CR_RESTART_AUTO_NEG);
-}
-
-static bool 
-unprogrammed(const void *t, size_t len)
-{
-  int i;
-  uint8_t *p = (uint8_t *)t;
-  bool all_zeros = true;
-  bool all_ones =  true;
-  for (i = 0; i < len; i++){
-    all_zeros &= p[i] == 0x00;
-    all_ones  &= p[i] == 0xff;
-  }
-  return all_ones | all_zeros;
-}
-
-//////////////////// MAC Addr Stuff ///////////////////////
-
-static int8_t src_mac_addr_initialized = false;
-static eth_mac_addr_t src_mac_addr = {{
-    0x00, 0x50, 0xC2, 0x85, 0x3f, 0xff
-  }};
-
-const eth_mac_addr_t *
-ethernet_mac_addr(void)
-{
-  if (!src_mac_addr_initialized){    // fetch from eeprom
-    src_mac_addr_initialized = true;
-
-    // if we're simulating, don't read the EEPROM model, it's REALLY slow
-    if (hwconfig_simulation_p())
-      return &src_mac_addr;
-    
-    eth_mac_addr_t tmp;
-    bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, &tmp, sizeof(tmp));
-    if (!ok || unprogrammed(&tmp, sizeof(tmp))){
-      // use the default
-    }
-    else
-      src_mac_addr = tmp;
-  }
-
-  return &src_mac_addr;
-}
-
-bool
-ethernet_set_mac_addr(const eth_mac_addr_t *t)
-{
-  bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, t, sizeof(eth_mac_addr_t));
-  if (ok){
-    src_mac_addr = *t;
-    src_mac_addr_initialized = true;
-    //eth_mac_set_addr(t); //this breaks the link
-  }
-
-  return ok;
-}
-
-//////////////////// IP Addr Stuff ///////////////////////
-
-static int8_t src_ip_addr_initialized = false;
-static struct ip_addr src_ip_addr = {
-    (192 << 24 | 168 << 16 | 10 << 8 | 2 << 0)
-};
-
-
-const struct ip_addr *get_ip_addr(void)
-{
-  if (!src_ip_addr_initialized){    // fetch from eeprom
-    src_ip_addr_initialized = true;
-
-    // if we're simulating, don't read the EEPROM model, it's REALLY slow
-    if (hwconfig_simulation_p())
-      return &src_ip_addr;
-    
-    struct ip_addr tmp;
-    bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_IP_ADDR, &tmp, sizeof(tmp));
-    if (!ok || unprogrammed(&tmp, sizeof(tmp))){
-      // use the default
-    }
-    else
-      src_ip_addr = tmp;
-  }
-
-  return &src_ip_addr;
-}
-
-bool set_ip_addr(const struct ip_addr *t){
-  bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_IP_ADDR, t, sizeof(struct ip_addr));
-  if (ok){
-    src_ip_addr = *t;
-    src_ip_addr_initialized = true;
-  }
-
-  return ok;
-}
-
-int
-ethernet_check_errors(void)
-{
-  // these registers are reset when read
-  
-  int	r = 0;
-  /*
-  if (eth_mac_read_rmon(0x05) != 0)
-    r |= RME_RX_CRC;
-  if (eth_mac_read_rmon(0x06) != 0)
-    r |= RME_RX_FIFO_FULL;
-  if (eth_mac_read_rmon(0x07) != 0)
-    r |= RME_RX_2SHORT_2LONG;
-  
-  if (eth_mac_read_rmon(0x25) != 0)
-    r |= RME_TX_JAM_DROP;
-  if (eth_mac_read_rmon(0x26) != 0)
-    r |= RME_TX_FIFO_UNDER;
-  if (eth_mac_read_rmon(0x27) != 0)
-    r |= RME_TX_FIFO_OVER;
-  */
-  return r;
-}
diff --git a/firmware/microblaze/lib/hal_io.c b/firmware/microblaze/lib/hal_io.c
index 0afd6a2cc..58b1e681e 100644
--- a/firmware/microblaze/lib/hal_io.c
+++ b/firmware/microblaze/lib/hal_io.c
@@ -193,3 +193,13 @@ puts(const char *s)
   putchar('\n');
   return 0;
 }
+
+char *
+gets(char * const s)
+{
+	char *x = s;
+	while((*x=(char)hal_uart_getc()) != '\n') x++;
+	*x = 0;
+	return s;
+}
+
diff --git a/firmware/microblaze/lib/hal_io.h b/firmware/microblaze/lib/hal_io.h
index d8967f063..c67d96c62 100644
--- a/firmware/microblaze/lib/hal_io.h
+++ b/firmware/microblaze/lib/hal_io.h
@@ -23,6 +23,7 @@
 
 void hal_io_init(void);
 void hal_finish();
+char *gets(char * const s);
 
 /*
  * ------------------------------------------------------------------------
diff --git a/firmware/microblaze/lib/hal_uart.c b/firmware/microblaze/lib/hal_uart.c
index 75b12b432..fe3b7515a 100644
--- a/firmware/microblaze/lib/hal_uart.c
+++ b/firmware/microblaze/lib/hal_uart.c
@@ -39,16 +39,25 @@ divisor_table[MAX_WB_DIV+1][NSPEEDS] = {
 
 #define u uart_regs
 
+static char uart_mode = UART_MODE_ONLCR;
+
+void
+hal_uart_set_mode(int mode)
+{
+  uart_mode = mode;
+}
+
 void
 hal_uart_init(void)
 {
+	hal_uart_set_mode(UART_MODE_ONLCR);
   u->clkdiv = 217;  // 230400 bps
 }
 
 void
 hal_uart_putc(int ch)
 {
-  if (ch == '\n')		// FIXME for now map \n -> \r\n
+  if (ch == '\n')// && (uart_mode == UART_MODE_ONLCR))		//map \n->\r\n if necessary
     hal_uart_putc('\r');
 
   while (u->txlevel == 0)	 // wait for fifo to have space
@@ -60,7 +69,7 @@ hal_uart_putc(int ch)
 void
 hal_uart_putc_nowait(int ch)
 {
-  if (ch == '\n')		// FIXME for now map \n -> \r\n
+  if (ch == '\n')// && (uart_mode == UART_MODE_ONLCR))		//map \n->\r\n if necessary
     hal_uart_putc('\r');
 
   if(u->txlevel)   // If fifo has space
diff --git a/firmware/microblaze/lib/hal_uart.h b/firmware/microblaze/lib/hal_uart.h
index 2ddfa6259..dfd73c323 100644
--- a/firmware/microblaze/lib/hal_uart.h
+++ b/firmware/microblaze/lib/hal_uart.h
@@ -19,6 +19,16 @@
 #ifndef INCLUDED_HAL_UART_H
 #define INCLUDED_HAL_UART_H
 
+/*!
+ * \brief uart mode flags
+ */
+#define	UART_MODE_RAW		0x0000	// no mapping on input or output
+#define	UART_MODE_ONLCR	0x0001	// map \n to \r\n on output (default)
+
+/*
+ * \brief Set uart mode
+ */
+void hal_uart_set_mode(int flags);
 
 /*!
  * \brief one-time call to init
diff --git a/firmware/microblaze/lib/memory_map.h b/firmware/microblaze/lib/memory_map.h
deleted file mode 100644
index cdf3dd338..000000000
--- a/firmware/microblaze/lib/memory_map.h
+++ /dev/null
@@ -1,792 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2007,2008,2009 Free Software Foundation, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Overall Memory Map
- *   0000-7FFF  32K   RAM space (16K on 1500, 24K on 2000, 32K on DSP)
- *   8000-BFFF  16K   Buffer Pool
- *   C000-FFFF  16K   Peripherals
- */
-
-
-#ifndef INCLUDED_MEMORY_MAP_H
-#define INCLUDED_MEMORY_MAP_H
-
-#include <stdint.h>
-
-
-#define MASTER_CLK_RATE        100000000		// 100 MHz
-
-
-////////////////////////////////////////////////////////////////
-//
-//         Memory map for embedded wishbone bus
-//
-////////////////////////////////////////////////////////////////
-
-
-////////////////////////////////////////////////////////////////
-// Main RAM, Slave 0
-
-#define RAM_BASE 0x0000
-
-////////////////////////////////////////////////////////////////
-// Buffer Pool RAM, Slave 1
-//
-// The buffers themselves are located in Slave 1, Buffer Pool RAM.
-// The status registers are in Slave 5, Buffer Pool Status.
-// The control register is in Slave 7, Settings Bus.
-
-#define BUFFER_POOL_RAM_BASE 0x8000
-
-#define	NBUFFERS                8
-#define BP_NLINES	   0x0200	// number of 32-bit lines in a buffer
-#define BP_LAST_LINE	(BP_NLINES - 1)	// last line in a buffer
-
-#define buffer_pool_ram \
-  ((uint32_t *) BUFFER_POOL_RAM_BASE)
-
-#define buffer_ram(n) (&buffer_pool_ram[(n) * BP_NLINES])
-
-
-/////////////////////////////////////////////////////
-// SPI Core, Slave 2.  See core docs for more info
-#define SPI_BASE 0xC000   // Base address (16-bit)
-
-typedef struct {
-  volatile uint32_t	txrx0;
-  volatile uint32_t	txrx1;
-  volatile uint32_t	txrx2;
-  volatile uint32_t	txrx3;
-  volatile uint32_t	ctrl;
-  volatile uint32_t	div;
-  volatile uint32_t	ss;
-} spi_regs_t;
-
-#define spi_regs ((spi_regs_t *) SPI_BASE)
-
-
-// Masks for controlling different peripherals
-#define SPI_SS_AD9510    1
-#define SPI_SS_AD9777    2
-#define SPI_SS_RX_DAC    4
-#define SPI_SS_RX_ADC    8
-#define SPI_SS_RX_DB    16
-#define SPI_SS_TX_DAC   32
-#define SPI_SS_TX_ADC   64
-#define SPI_SS_TX_DB   128
-
-// Masks for different parts of CTRL reg
-#define SPI_CTRL_ASS      (1<<13)
-#define SPI_CTRL_IE       (1<<12)
-#define SPI_CTRL_LSB      (1<<11)
-#define SPI_CTRL_TXNEG    (1<<10)
-#define SPI_CTRL_RXNEG    (1<< 9)
-#define SPI_CTRL_GO_BSY   (1<< 8)
-#define SPI_CTRL_CHAR_LEN_MASK 0x7F
-
-////////////////////////////////////////////////
-// I2C, Slave 3
-// See Wishbone I2C-Master Core Specification.
-
-#define I2C_BASE 0xC400
-
-typedef struct {
-  volatile uint32_t  prescaler_lo;	// r/w
-  volatile uint32_t  prescaler_hi;	// r/w
-  volatile uint32_t  ctrl;		// r/w
-  volatile uint32_t  data;		// wr = transmit reg; rd = receive reg
-  volatile uint32_t  cmd_status;	// wr = command reg;  rd = status reg
-} i2c_regs_t;
-
-#define i2c_regs ((i2c_regs_t *) I2C_BASE)
-
-#define	I2C_CTRL_EN	(1 << 7)	// core enable
-#define	I2C_CTRL_IE	(1 << 6)	// interrupt enable
-
-//
-// STA, STO, RD, WR, and IACK bits are cleared automatically
-//
-#define	I2C_CMD_START	(1 << 7)	// generate (repeated) start condition
-#define I2C_CMD_STOP	(1 << 6)	// generate stop condition
-#define	I2C_CMD_RD	(1 << 5)	// read from slave
-#define I2C_CMD_WR	(1 << 4)	// write to slave
-#define	I2C_CMD_NACK	(1 << 3)	// when a rcvr, send ACK (ACK=0) or NACK (ACK=1)
-#define I2C_CMD_RSVD_2	(1 << 2)	// reserved
-#define	I2C_CMD_RSVD_1	(1 << 1)	// reserved
-#define I2C_CMD_IACK	(1 << 0)	// set to clear pending interrupt
-
-#define I2C_ST_RXACK	(1 << 7)	// Received acknowledgement from slave (1 = NAK, 0 = ACK)
-#define	I2C_ST_BUSY	(1 << 6)	// 1 after START signal detected; 0 after STOP signal detected
-#define	I2C_ST_AL	(1 << 5)	// Arbitration lost.  1 when core lost arbitration
-#define	I2C_ST_RSVD_4	(1 << 4)	// reserved
-#define	I2C_ST_RSVD_3	(1 << 3)	// reserved
-#define	I2C_ST_RSVD_2	(1 << 2)	// reserved
-#define I2C_ST_TIP	(1 << 1)	// Transfer-in-progress
-#define	I2C_ST_IP	(1 << 0)	// Interrupt pending
-
-
-////////////////////////////////////////////////
-// GPIO, Slave 4
-//
-// These go to the daughterboard i/o pins
-
-#define GPIO_BASE 0xC800
-
-typedef struct {
-  volatile uint32_t	io;	  // tx data in high 16, rx in low 16
-  volatile uint32_t     ddr;      // 32 bits, 1 means output. tx in high 16, rx in low 16
-  volatile uint32_t	tx_sel;   // 16 2-bit fields select which source goes to TX DB
-  volatile uint32_t	rx_sel;   // 16 2-bit fields select which source goes to RX DB
-} gpio_regs_t;
-
-// each 2-bit sel field is layed out this way
-#define GPIO_SEL_SW	   0 // if pin is an output, set by software in the io reg
-#define	GPIO_SEL_ATR	   1 // if pin is an output, set by ATR logic
-#define	GPIO_SEL_DEBUG_0   2 // if pin is an output, debug lines from FPGA fabric
-#define	GPIO_SEL_DEBUG_1   3 // if pin is an output, debug lines from FPGA fabric
-
-#define gpio_base ((gpio_regs_t *) GPIO_BASE)
-
-///////////////////////////////////////////////////
-// Buffer Pool Status, Slave 5
-//
-// The buffers themselves are located in Slave 1, Buffer Pool RAM.
-// The status registers are in Slave 5, Buffer Pool Status.
-// The control register is in Slave 7, Settings Bus.
-
-#define BUFFER_POOL_STATUS_BASE 0xCC00
-
-typedef struct {
-  volatile uint32_t last_line[NBUFFERS]; // last line xfer'd in buffer
-  volatile uint32_t status;	         // error and done flags
-  volatile uint32_t hw_config;	         // see below
-  volatile uint32_t dummy[3];
-  volatile uint32_t irqs;
-  volatile uint32_t pri_enc_bp_status;
-  volatile uint32_t cycle_count;
-} buffer_pool_status_t;
-
-#define buffer_pool_status ((buffer_pool_status_t *) BUFFER_POOL_STATUS_BASE)
-
-/*
- * Buffer n's xfer is done.
- * Clear this bit by issuing bp_clear_buf(n)
- */
-#define BPS_DONE(n)     (0x00000001 << (n))
-#define BPS_DONE_0	BPS_DONE(0)
-#define BPS_DONE_1	BPS_DONE(1)
-#define BPS_DONE_2	BPS_DONE(2)
-#define BPS_DONE_3	BPS_DONE(3)
-#define BPS_DONE_4	BPS_DONE(4)
-#define BPS_DONE_5	BPS_DONE(5)
-#define BPS_DONE_6	BPS_DONE(6)
-#define BPS_DONE_7	BPS_DONE(7)
-
-/*
- * Buffer n's xfer had an error.
- * Clear this bit by issuing bp_clear_buf(n)
- */
-#define BPS_ERROR(n)	(0x00000100 << (n))
-#define BPS_ERROR_0	BPS_ERROR(0)
-#define BPS_ERROR_1	BPS_ERROR(1)
-#define BPS_ERROR_2	BPS_ERROR(2)
-#define BPS_ERROR_3	BPS_ERROR(3)
-#define BPS_ERROR_4	BPS_ERROR(4)
-#define BPS_ERROR_5	BPS_ERROR(5)
-#define BPS_ERROR_6	BPS_ERROR(6)
-#define BPS_ERROR_7	BPS_ERROR(7)
-
-/*
- * Buffer n is idle.  A buffer is idle if it's not
- * DONE, ERROR, or processing a transaction.  If it's
- * IDLE, it's safe to start a new transaction.
- *
- * Clear this bit by starting a xfer with
- * bp_send_from_buf or bp_receive_to_buf.
- */
-#define BPS_IDLE(n)     (0x00010000 << (n))
-#define BPS_IDLE_0	BPS_IDLE(0)
-#define BPS_IDLE_1	BPS_IDLE(1)
-#define BPS_IDLE_2	BPS_IDLE(2)
-#define BPS_IDLE_3	BPS_IDLE(3)
-#define BPS_IDLE_4	BPS_IDLE(4)
-#define BPS_IDLE_5	BPS_IDLE(5)
-#define BPS_IDLE_6	BPS_IDLE(6)
-#define BPS_IDLE_7	BPS_IDLE(7)
-
-/*
- * Buffer n has a "slow path" packet in it.
- * This bit is orthogonal to the bits above and indicates that
- * the FPGA ethernet rx protocol engine has identified this packet
- * as one requiring firmware intervention.
- */
-#define BPS_SLOWPATH(n) (0x01000000 << (n))
-#define BPS_SLOWPATH_0	BPS_SLOWPATH(0)
-#define BPS_SLOWPATH_1	BPS_SLOWPATH(1)
-#define BPS_SLOWPATH_2	BPS_SLOWPATH(2)
-#define BPS_SLOWPATH_3	BPS_SLOWPATH(3)
-#define BPS_SLOWPATH_4	BPS_SLOWPATH(4)
-#define BPS_SLOWPATH_5	BPS_SLOWPATH(5)
-#define BPS_SLOWPATH_6	BPS_SLOWPATH(6)
-#define BPS_SLOWPATH_7	BPS_SLOWPATH(7)
-
-
-#define BPS_DONE_ALL	  0x000000ff	// mask of all dones
-#define BPS_ERROR_ALL	  0x0000ff00	// mask of all errors
-#define BPS_IDLE_ALL      0x00ff0000	// mask of all idles
-#define BPS_SLOWPATH_ALL  0xff000000	// mask of all slowpaths
-
-// The hw_config register
-
-#define	HWC_SIMULATION		0x80000000
-#define	HWC_WB_CLK_DIV_MASK	0x0000000f
-
-/*!
- * \brief return non-zero if we're running under the simulator
- */
-inline static int
-hwconfig_simulation_p(void)
-{
-  return buffer_pool_status->hw_config & HWC_SIMULATION;
-}
-
-/*!
- * \brief Return Wishbone Clock divisor.
- * The processor runs at the Wishbone Clock rate which is MASTER_CLK_RATE / divisor.
- */
-inline static int
-hwconfig_wishbone_divisor(void)
-{
-  return buffer_pool_status->hw_config & HWC_WB_CLK_DIV_MASK;
-}
-
-///////////////////////////////////////////////////
-// Ethernet Core, Slave 6
-
-#define ETH_BASE 0xD000
-
-#include "eth_mac_regs.h"
-
-#define eth_mac ((eth_mac_regs_t *) ETH_BASE)
-
-////////////////////////////////////////////////////
-// Settings Bus, Slave #7, Not Byte Addressable!
-//
-// Output-only from processor point-of-view.
-// 1KB of address space (== 256 32-bit write-only regs)
-
-
-#define MISC_OUTPUT_BASE        0xD400
-#define	TX_PROTOCOL_ENGINE_BASE 0xD480
-#define	RX_PROTOCOL_ENGINE_BASE 0xD4C0
-#define BUFFER_POOL_CTRL_BASE   0xD500
-#define LAST_SETTING_REG        0xD7FC	// last valid setting register
-
-#define SR_MISC 0
-#define SR_TX_PROT_ENG 32
-#define SR_RX_PROT_ENG 48
-#define SR_BUFFER_POOL_CTRL 64
-#define SR_UDP_SM 96
-#define SR_TX_DSP 208
-#define SR_TX_CTRL 224
-#define SR_RX_DSP 160
-#define SR_RX_CTRL 176
-#define SR_TIME64 192
-#define SR_SIMTIMER 198
-#define SR_LAST 255
-
-#define	_SR_ADDR(sr)	(MISC_OUTPUT_BASE + (sr) * sizeof(uint32_t))
-
-// --- buffer pool control regs ---
-
-typedef struct {
-  volatile uint32_t ctrl;
-} buffer_pool_ctrl_t;
-
-// buffer pool ports
-
-#define	PORT_SERDES	0	// serial/deserializer
-#define	PORT_DSP	1	// DSP tx or rx pipeline
-#define	PORT_ETH	2	// ethernet tx or rx
-#define	PORT_RAM	3	// RAM tx or rx
-
-// the buffer pool ctrl register fields
-
-#define BPC_BUFFER(n) (((n) & 0xf) << 28)
-#define   BPC_BUFFER_MASK      BPC_BUFFER(~0)
-#define   BPC_BUFFER_0	       BPC_BUFFER(0)
-#define   BPC_BUFFER_1	       BPC_BUFFER(1)
-#define   BPC_BUFFER_2	       BPC_BUFFER(2)
-#define   BPC_BUFFER_3	       BPC_BUFFER(3)
-#define   BPC_BUFFER_4	       BPC_BUFFER(4)
-#define   BPC_BUFFER_5	       BPC_BUFFER(5)
-#define   BPC_BUFFER_6	       BPC_BUFFER(6)
-#define   BPC_BUFFER_7	       BPC_BUFFER(7)
-#define	  BPC_BUFFER_NIL       BPC_BUFFER(0x8)	// disable
-
-#define BPC_PORT(n) (((n) & 0x7) << 25)
-#define   BPC_PORT_MASK        BPC_PORT(~0)
-#define   BPC_PORT_SERDES      BPC_PORT(PORT_SERDES)
-#define   BPC_PORT_DSP	       BPC_PORT(PORT_DSP)
-#define   BPC_PORT_ETH         BPC_PORT(PORT_ETH)
-#define   BPC_PORT_RAM         BPC_PORT(PORT_RAM)
-#define   BPC_PORT_NIL	       BPC_PORT(0x4)   	// disable
-
-#define	BPC_CLR	       	       (1 << 24)  // mutually excl commands
-#define	BPC_READ	       (1 << 23)
-#define BPC_WRITE              (1 << 22)
-
-#define BPC_STEP(step) (((step) & 0xf) << 18)
-#define   BPC_STEP_MASK	       BPC_STEP(~0)
-#define BPC_LAST_LINE(line) (((line) & 0x1ff) << 9)
-#define   BPC_LAST_LINE_MASK   BPC_LAST_LINE(~0)
-#define BPC_FIRST_LINE(line) (((line) & 0x1ff) << 0)
-#define   BPC_FIRST_LINE_MASK  BPC_FIRST_LINE(~0)
-
-#define buffer_pool_ctrl ((buffer_pool_ctrl_t *) BUFFER_POOL_CTRL_BASE)
-
-// --- misc outputs ---
-
-typedef struct {
-  volatile uint32_t	clk_ctrl;
-  volatile uint32_t	serdes_ctrl;
-  volatile uint32_t	adc_ctrl;
-  volatile uint32_t	leds;
-  volatile uint32_t	phy_ctrl;	// LSB is reset line to eth phy
-  volatile uint32_t	debug_mux_ctrl;
-  volatile uint32_t     ram_page;       // FIXME should go somewhere else...
-  volatile uint32_t     flush_icache;   // Flush the icache
-  volatile uint32_t     led_src;        // HW or SW control for LEDs
-} output_regs_t;
-
-#define SERDES_ENABLE 8
-#define SERDES_PRBSEN 4
-#define SERDES_LOOPEN 2
-#define SERDES_RXEN   1
-
-#define	ADC_CTRL_ON	0x0F
-#define	ADC_CTRL_OFF	0x00
-
-// crazy order that matches the labels on the case
-
-#define	LED_A		(1 << 4)
-#define	LED_B		(1 << 1)
-#define	LED_C		(1 << 3)
-#define	LED_D		(1 << 0)
-#define	LED_E		(1 << 2)
-//      LED_F		// controlled by CPLD
-#define	LED_RJ45	(1 << 5)
-
-#define output_regs ((output_regs_t *) MISC_OUTPUT_BASE)
-
-// --- udp tx regs ---
-
-typedef struct {
-  // Bits 19:16 are control info; bits 15:0 are data (see below)
-  // First two words are unused.
-  volatile uint32_t _nope[2];
-  //--- ethernet header - 14 bytes---
-  volatile struct{
-    uint32_t mac_dst_0_1; //word 2
-    uint32_t mac_dst_2_3;
-    uint32_t mac_dst_4_5;
-    uint32_t mac_src_0_1;
-    uint32_t mac_src_2_3;
-    uint32_t mac_src_4_5;
-    uint32_t ether_type; //word 8
-  } eth_hdr;
-  //--- ip header - 20 bytes ---
-  volatile struct{
-    uint32_t ver_ihl_tos; //word 9
-    uint32_t total_length;
-    uint32_t identification;
-    uint32_t flags_frag_off;
-    uint32_t ttl_proto;
-    uint32_t checksum;
-    uint32_t src_addr_high;
-    uint32_t src_addr_low;
-    uint32_t dst_addr_high;
-    uint32_t dst_addr_low; //word 18
-  } ip_hdr;
-  //--- udp header - 8 bytes ---
-  volatile struct{
-    uint32_t src_port; //word 19
-    uint32_t dst_port;
-    uint32_t length;
-    uint32_t checksum; //word 22
-  } udp_hdr;
-  volatile uint32_t _pad[32-23];
-} sr_udp_sm_t;
-
-// control bits (all expect UDP_SM_LAST_WORD are mutually exclusive)
-
-// This is the last word of the header
-#define	UDP_SM_LAST_WORD		(1 << 19)
-
-// Insert IP header checksum here.  Data is the xor of 16'hFFFF and
-// the values written into regs 9-13 and 15-18.
-#define	UDP_SM_INS_IP_HDR_CHKSUM	(1 << 18)
-
-// Insert IP Length here (data ignored)
-#define	UDP_SM_INS_IP_LEN		(1 << 17)
-
-// Insert UDP Length here (data ignore)
-#define	UDP_SM_INS_UDP_LEN		(1 << 16)
-
-#define sr_udp_sm ((sr_udp_sm_t *) _SR_ADDR(SR_UDP_SM))
-
-// --- dsp tx regs ---
-
-#define MIN_CIC_INTERP	1
-#define	MAX_CIC_INTERP  128
-
-typedef struct {
-  volatile uint32_t     num_chan;
-  volatile uint32_t     clear_state;	// clears out state machine, fifos,
-} sr_tx_ctrl_t;
-
-#define sr_tx_ctrl ((sr_tx_ctrl_t *) _SR_ADDR(SR_TX_CTRL))
-
-typedef struct {
-  volatile int32_t	freq;
-  volatile uint32_t	scale_iq;	// {scale_i,scale_q}
-  volatile uint32_t     interp_rate;
-  volatile uint32_t     _padding0;      // padding for the tx_mux
-                                        //   NOT freq, scale, interp
-  /*!
-   * \brief output mux configuration.
-   *
-   * <pre>
-   *     3                   2                   1                       
-   *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
-   *  +-------------------------------+-------+-------+-------+-------+
-   *  |                                               | DAC1  |  DAC0 |
-   *  +-------------------------------+-------+-------+-------+-------+
-   * 
-   *  There are N DUCs (1 now) with complex inputs and outputs.
-   *  There are two DACs.
-   * 
-   *  Each 4-bit DACx field specifies the source for the DAC
-   *  Each subfield is coded like this: 
-   * 
-   *     3 2 1 0
-   *    +-------+
-   *    |   N   |
-   *    +-------+
-   * 
-   *  N specifies which DUC output is connected to this DAC.
-   * 
-   *   N   which interp output
-   *  ---  -------------------
-   *   0   DUC 0 I
-   *   1   DUC 0 Q
-   *   2   DUC 1 I
-   *   3   DUC 1 Q
-   *   F   All Zeros
-   *   
-   * The default value is 0x10
-   * </pre>
-   */
-  volatile uint32_t	tx_mux;
-
-} dsp_tx_regs_t;
-  
-#define dsp_tx_regs ((dsp_tx_regs_t *) _SR_ADDR(SR_TX_DSP))
-
-// --- VITA RX CTRL regs ---
-typedef struct {
-  // The following 3 are logically a single command register.
-  // They are clocked into the underlying fifo when time_ticks is written.
-  volatile uint32_t	cmd;		// {now, chain, num_samples(30)
-  volatile uint32_t	time_secs;
-  volatile uint32_t	time_ticks;
-
-  volatile uint32_t	clear_overrun;	// write anything to clear overrun
-  volatile uint32_t	vrt_header;	// word 0 of packet.  FPGA fills in packet counter
-  volatile uint32_t	vrt_stream_id;	// word 1 of packet. 
-  volatile uint32_t	vrt_trailer;
-  volatile uint32_t	nsamples_per_pkt;
-  volatile uint32_t     nchannels;      // 1 in basic case, up to 4 for vector sources
-  volatile uint32_t     pad[7];         // Make each structure 16 elements long
-} sr_rx_ctrl_t;
-
-#define sr_rx_ctrl ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL))
-
-// --- dsp rx regs ---
-#define	MIN_CIC_DECIM	1
-#define	MAX_CIC_DECIM   128
-
-typedef struct {
-  volatile int32_t	freq;
-  volatile uint32_t	scale_iq;	// {scale_i,scale_q}
-  volatile uint32_t     decim_rate;
-  volatile uint32_t     dcoffset_i;     // Bit 31 high sets fixed offset mode, using lower 14 bits,
-                                        // otherwise it is automatic 
-  volatile uint32_t     dcoffset_q;     // Bit 31 high sets fixed offset mode, using lower 14 bits
-
-  /*!
-   * \brief input mux configuration.
-   *
-   * This determines which ADC (or constant zero) is connected to 
-   * each DDC input.  There are N DDCs (1 now).  Each has two inputs.
-   *
-   * <pre>
-   * Mux value:
-   *
-   *    3                   2                   1                       
-   *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
-   * +-------+-------+-------+-------+-------+-------+-------+-------+
-   * |                                                       |Q0 |I0 |
-   * +-------+-------+-------+-------+-------+-------+-------+-------+
-   *
-   * Each 2-bit I field is either 00 (A/D A), 01 (A/D B) or 1X (const zero)
-   * Each 2-bit Q field is either 00 (A/D A), 01 (A/D B) or 1X (const zero)
-   *
-   * The default value is 0x4
-   * </pre>
-   */
-  volatile uint32_t     rx_mux;        // called adc_mux in dsp_core_rx.v
-
-  /*!
-   * \brief Streaming GPIO configuration
-   *
-   * This determines whether the LSBs of I and Q samples come from the DSP
-   * pipeline or from the io_rx GPIO pins.  To stream GPIO, one must first
-   * set the GPIO data direction register to have io_rx[15] and/or io_rx[14]
-   * configured as inputs.  The GPIO pins will be sampled at the time the
-   * remainder of the DSP sample is strobed into the RX sample FIFO.  There
-   * will be a decimation-dependent fixed time offset between the GPIO
-   * sample stream and the associated RF samples.
-   *
-   *    3                   2                   1                       
-   *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
-   * +-------+-------+-------+-------+-------+-------+-------+-------+
-   * |                           MBZ                             |Q|I|
-   * +-------+-------+-------+-------+-------+-------+-------+-------+
-   *
-   * I         0=LSB comes from DSP pipeline (default)
-   *           1=LSB comes from io_rx[15]
-   * 
-   * Q         0=LSB comes from DSP pipeline (default)
-   *           1=LSB comes from io_rx[14]
-   */
-  volatile uint32_t gpio_stream_enable;
-
-} dsp_rx_regs_t;
-  
-#define dsp_rx_regs ((dsp_rx_regs_t *) _SR_ADDR(SR_RX_DSP))
-
-// ----------------------------------------------------------------
-// VITA49 64 bit time (write only)
-  /*!
-   * \brief Time 64 flags
-   *
-   * <pre>
-   *
-   *    3                   2                   1                       
-   *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
-   * +-----------------------------------------------------------+-+-+
-   * |                                                           |S|P|
-   * +-----------------------------------------------------------+-+-+
-   *
-   * P - PPS edge selection (0=negedge, 1=posedge, default=0)
-   * S - Source (0=sma, 1=mimo, 0=default)
-   *
-   * </pre>
-   */
-typedef struct {
-  volatile uint32_t	secs;	// value to set absolute secs to on next PPS
-  volatile uint32_t	ticks;	// value to set absolute ticks to on next PPS
-  volatile uint32_t flags;  // flags - see chart above
-  volatile uint32_t imm;    // set immediate (0=latch on next pps, 1=latch immediate, default=0)
-} sr_time64_t;
-
-#define sr_time64 ((sr_time64_t *) _SR_ADDR(SR_TIME64))
-
-
-/* 
- * --- ethernet tx protocol engine regs (write only) ---
- *
- * These registers control the transmit portion of the ethernet
- * protocol engine (out of USRP2).  The protocol engine handles fifo
- * status and sequence number insertion in outgoing packets, and
- * automagically generates status packets when required to inform the
- * host of changes in fifo availability.
- *
- * All outgoing packets have their fifo_status field set to the number
- * of 32-bit lines of fifo available in the ethernet Rx fifo (see
- * usrp2_eth_packet.h).  Seqno's are set if FIXME, else 0.
- *
- * FIXME clean this up once we know how it's supposed to behave.
- */
-
-typedef struct {
-  volatile uint32_t  flags;	     // not yet fully defined (channel?)
-  volatile uint32_t  mac_dst0123;    // 4 bytes of destination mac addr
-  volatile uint32_t  mac_dst45src01; // 2 bytes of dest mac addr; 2 bytes of src mac addr
-  volatile uint32_t  mac_src2345;    // 4 bytes of destination mac addr
-  volatile uint32_t  seqno;	     // Write to init seqno.  It autoincs on match
-} tx_proto_engine_regs_t;
-
-#define tx_proto_engine ((tx_proto_engine_regs_t *) TX_PROTOCOL_ENGINE_BASE)
-
-/*
- * --- ethernet rx protocol engine regs (write only) ---
- *
- * These registers control the receive portion of the ethernet
- * protocol engine (into USRP2).  The protocol engine offloads common
- * packet inspection operations so that firmware has less to do on
- * "fast path" packets.
- *
- * The registers define conditions which must be matched for a packet
- * to be considered a "fast path" packet.  If a received packet
- * matches the src and dst mac address, ethertype, flags field, and
- * expected seqno number it is considered a "fast path" packet, and
- * the expected seqno is updated.  If the packet fails to satisfy any
- * of the above conditions it's a "slow path" packet, and the
- * corresponding SLOWPATH flag will be set buffer_status register.
- */
-
-typedef struct {
-  volatile uint32_t  flags;	     // not yet fully defined (channel?)
-  volatile uint32_t  mac_dst0123;    // 4 bytes of destination mac addr
-  volatile uint32_t  mac_dst45src01; // 2 bytes of dest mac addr; 2 bytes of src mac addr
-  volatile uint32_t  mac_src2345;    // 4 bytes of destination mac addr
-  volatile uint32_t  ethertype_pad;  // ethertype in high 16-bits
-} rx_proto_engine_regs_t;
-
-#define rx_proto_engine ((rx_proto_engine_regs_t *) RX_PROTOCOL_ENGINE_BASE)
-
-
-
-///////////////////////////////////////////////////
-// Simple Programmable Interrupt Controller, Slave 8
-
-#define PIC_BASE  0xD800
-
-// Interrupt request lines
-// Bit numbers (LSB == 0) that correpond to interrupts into PIC
-
-#define	IRQ_BUFFER	0	// buffer manager
-#define	IRQ_ONETIME	1
-#define	IRQ_SPI		2
-#define	IRQ_I2C		3
-#define	IRQ_PHY		4	// ethernet PHY
-#define	IRQ_UNDERRUN	5
-#define	IRQ_OVERRUN	6
-#define	IRQ_PPS		7	// pulse per second
-#define	IRQ_UART_RX	8
-#define	IRQ_UART_TX	9
-#define	IRQ_SERDES	10
-#define	IRQ_CLKSTATUS	11
-#define IRQ_PERIODIC    12
-
-#define IRQ_TO_MASK(x) (1 << (x))
-
-#define PIC_BUFFER_INT    IRQ_TO_MASK(IRQ_BUFFER)
-#define PIC_ONETIME_INT   IRQ_TO_MASK(IRQ_ONETIME)
-#define PIC_SPI_INT       IRQ_TO_MASK(IRQ_SPI)
-#define PIC_I2C_INT       IRQ_TO_MASK(IRQ_I2C)
-#define PIC_PHY_INT       IRQ_TO_MASK(IRQ_PHY)
-#define PIC_UNDERRUN_INT  IRQ_TO_MASK(IRQ_UNDERRUN)
-#define PIC_OVERRUN_INT   IRQ_TO_MASK(IRQ_OVERRUN)
-#define PIC_PPS_INT   	  IRQ_TO_MASK(IRQ_PPS)
-#define PIC_UART_RX_INT   IRQ_TO_MASK(IRQ_UART_RX)
-#define PIC_UART_TX_INT   IRQ_TO_MASK(IRQ_UART_TX)
-#define PIC_SERDES        IRQ_TO_MASK(IRQ_SERDES)
-#define PIC_CLKSTATUS     IRQ_TO_MASK(IRQ_CLKSTATUS)
-
-typedef struct {
-  volatile uint32_t edge_enable; // mask: 1 -> edge triggered, 0 -> level
-  volatile uint32_t polarity;	 // mask: 1 -> rising edge
-  volatile uint32_t mask;	 // mask: 1 -> disabled
-  volatile uint32_t pending;	 // mask: 1 -> pending; write 1's to clear pending ints
-} pic_regs_t;
-
-#define pic_regs ((pic_regs_t *) PIC_BASE)
-
-// ----------------------------------------------------------------
-// WB_CLK_RATE is the time base for this
-typedef struct {
-  volatile uint32_t	onetime;   // Number of wb clk cycles till the onetime interrupt
-  volatile uint32_t	periodic;  // Repeat rate of periodic interrupt
-} sr_simple_timer_t;
-
-#define sr_simple_timer ((sr_simple_timer_t *) _SR_ADDR(SR_SIMTIMER))
-
-///////////////////////////////////////////////////
-// UART, Slave 10
-
-#define UART_BASE  0xE000
-
-typedef struct {
-  //  All elements are 8 bits except for clkdiv (16), but we use uint32 to make 
-  //    the hardware for decoding easier
-  volatile uint32_t clkdiv;  // Set to 50e6 divided by baud rate (no x16 factor)
-  volatile uint32_t txlevel; // Number of spaces in the FIFO for writes
-  volatile uint32_t rxlevel; // Number of available elements in the FIFO for reads
-  volatile uint32_t txchar;  // Write characters to be sent here
-  volatile uint32_t rxchar;  // Read received characters here
-} uart_regs_t;
-
-#define uart_regs ((uart_regs_t *) UART_BASE)
-
-///////////////////////////////////////////////////
-// ATR Controller, Slave 11
-
-#define ATR_BASE  0xE400
-
-typedef struct {
-  volatile uint32_t	v[16];
-} atr_regs_t;
-
-#define	ATR_IDLE	0x0	// indicies into v
-#define ATR_TX		0x1
-#define	ATR_RX		0x2
-#define	ATR_FULL	0x3
-
-#define atr_regs ((atr_regs_t *) ATR_BASE)
-
-///////////////////////////////////////////////////
-// SD Card SPI interface, Slave 13
-//   All regs are 8 bits wide, but are accessed as if they are 32 bits
-
-#define SDSPI_BASE  0xEC00
-
-typedef struct {
-  volatile uint32_t status;  // Write a 1 or 0 for controlling CS
-  volatile uint32_t clkdiv;
-  volatile uint32_t send_dat;
-  volatile uint32_t receive_dat;
-} sdspi_regs_t;
-
-#define sdspi_regs ((sdspi_regs_t *) SDSPI_BASE)
-
-///////////////////////////////////////////////////
-// External RAM interface, Slave 14
-//   Pages are 1K.  Page is 10 bits, set by a control register
-//    output_regs->ram_page
-
-#define EXTRAM_BASE 0xF000
-#define extram ((volatile uint32_t *) EXTRAM_BASE)
-
-
-///////////////////////////////////////////////////
-
-#endif
-
diff --git a/firmware/microblaze/lib/net/.gitignore b/firmware/microblaze/lib/net/.gitignore
new file mode 100644
index 000000000..282522db0
--- /dev/null
+++ b/firmware/microblaze/lib/net/.gitignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in
diff --git a/firmware/microblaze/lib/net/eth_mac_addr.h b/firmware/microblaze/lib/net/eth_mac_addr.h
new file mode 100644
index 000000000..b44fb68f7
--- /dev/null
+++ b/firmware/microblaze/lib/net/eth_mac_addr.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2009 Ettus Research LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_ETH_MAC_ADDR_H
+#define INCLUDED_ETH_MAC_ADDR_H
+
+#include <stdint.h>
+
+// Ethernet MAC address
+
+typedef struct {
+  uint8_t	addr[6];
+} eth_mac_addr_t;
+
+#endif /* INCLUDED_ETH_MAC_ADDR_H */
diff --git a/firmware/microblaze/lib/net/padded_eth_hdr.h b/firmware/microblaze/lib/net/padded_eth_hdr.h
new file mode 100644
index 000000000..df816734f
--- /dev/null
+++ b/firmware/microblaze/lib/net/padded_eth_hdr.h
@@ -0,0 +1,37 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009,2010 Ettus Research LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef INCLUDED_PADDED_ETH_HDR_H
+#define INCLUDED_PADDED_ETH_HDR_H
+
+#include <compiler.h>
+#include <net/eth_mac_addr.h>
+
+/*!
+ * \brief Standard 14-byte ethernet header plus two leading bytes of padding.
+ *
+ * This is what a buffer contains in line 1 when using the "slow mode"
+ */
+typedef struct {
+  uint16_t	 pad;
+  eth_mac_addr_t dst;
+  eth_mac_addr_t src;
+  uint16_t 	 ethertype;
+} _AL4 padded_eth_hdr_t;
+
+
+#endif /* INCLUDED_PADDED_ETH_HDR_H */
diff --git a/firmware/microblaze/lib/net/socket_address.h b/firmware/microblaze/lib/net/socket_address.h
new file mode 100644
index 000000000..336f30a0c
--- /dev/null
+++ b/firmware/microblaze/lib/net/socket_address.h
@@ -0,0 +1,41 @@
+/* -*- c -*- */
+/*
+ * Copyright 2010 Ettus Research LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef INCLUDED_SOCKET_ADDRESS_H
+#define INCLUDED_SOCKET_ADDRESS_H
+
+#include <lwip/ip_addr.h>
+
+// port and address are in network byte order
+
+typedef struct socket_address {
+  unsigned short   port;
+  struct ip_addr   addr;
+} socket_address_t;
+
+static inline struct socket_address 
+make_socket_address(struct ip_addr addr, int port)
+{
+  struct socket_address r;
+  r.port = port;
+  r.addr = addr;
+  return r;
+}
+
+
+
+#endif /* INCLUDED_SOCKET_ADDRESS_H */
diff --git a/firmware/microblaze/lib/nonstdio.c b/firmware/microblaze/lib/nonstdio.c
index 1c991afee..4b5fa4123 100644
--- a/firmware/microblaze/lib/nonstdio.c
+++ b/firmware/microblaze/lib/nonstdio.c
@@ -78,3 +78,46 @@ puthex32_nl(unsigned long x)
   puthex32(x);
   newline();
 }
+/*
+void reverse(char s[])
+{
+    int c, i, j;
+
+    for (i = 0, j = strlen(s)-1; i<j; i++, j--) {
+        c = s[i];
+        s[i] = s[j];
+        s[j] = c;
+    }
+}
+
+int abs(signed long value) {
+	return (value >= 0) ? value : 0-value;
+}
+
+//we'll keep the puthex functions above because they're way more lightweight. but sometimes you just want to print in decimal, you know?
+char *itoa(signed long value, char *result, int base)
+{
+	// check that the base if valid
+	if (base < 2 || base > 16) { *result = 0; return result; }
+
+	char* out = result;
+	signed long quotient = value;
+
+	do {
+		*out = hex[ abs(quotient % base) ];
+		++out;
+		quotient /= base;
+	} while ( quotient );
+
+	// Only apply negative sign for base 10
+	if ( value < 0 && base == 10) *out++ = '-';
+
+	*out = 0;
+	reverse( result );
+
+	return result;
+
+}
+*/
+
+
diff --git a/firmware/microblaze/lib/nonstdio.h b/firmware/microblaze/lib/nonstdio.h
index 3fd9e39bb..62ebfa46d 100644
--- a/firmware/microblaze/lib/nonstdio.h
+++ b/firmware/microblaze/lib/nonstdio.h
@@ -1,4 +1,6 @@
-/* -*- c -*- */
+//
+// Copyright 2010 Ettus Research LLC
+//
 /*
  * Copyright 2007 Free Software Foundation, Inc.
  *
@@ -20,7 +22,7 @@
 #define INCLUDED_NONSTDIO_H
 
 #include <stdio.h>
-#include <usrp2_types.h>
+#include <stdint.h>
 #include <stddef.h>
 
 void putstr(const char *s);		// cf puts, no added newline
@@ -37,10 +39,10 @@ void puthex32_nl(unsigned long x);
 void newline();				// putchar('\n')
 
 void print_mac_addr(const unsigned char addr[6]);
-void print_fxpt_freq(u2_fxpt_freq_t v);
-void print_fxpt_gain(u2_fxpt_gain_t v);
 void print_uint64(uint64_t v);
 
 void print_buffer(uint32_t *buf, size_t n);
+//char *itoa(signed long value, char *result, int base);
+//void reverse(char s[]);
 
 #endif /* INCLUDED_NONSTDIO_H */
diff --git a/firmware/microblaze/lib/pic.c b/firmware/microblaze/lib/pic.c
index 4575bd775..e89d2b755 100644
--- a/firmware/microblaze/lib/pic.c
+++ b/firmware/microblaze/lib/pic.c
@@ -44,7 +44,7 @@ pic_init(void)
   // uP is level triggered
 
   pic_regs->mask = ~0;				       // mask all interrupts
-  pic_regs->edge_enable = PIC_ONETIME_INT | PIC_PHY_INT;
+  pic_regs->edge_enable = PIC_ONETIME_INT;
   pic_regs->polarity = ~0 & ~PIC_PHY_INT;	       // rising edge
   pic_regs->pending = ~0;			       // clear all pending ints
 }
diff --git a/firmware/microblaze/lib/sd.c b/firmware/microblaze/lib/sd.c
deleted file mode 100644
index d000b28ae..000000000
--- a/firmware/microblaze/lib/sd.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2008 Ettus Research LLC
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "sd.h"
-#include "memory_map.h"
-#include "stdint.h"
-#include "stdio.h"
-
-static inline void
-sd_packarg(unsigned char *argument,unsigned int value)
-{
-  argument[3] = (unsigned char)(value >> 24);
-  argument[2] = (unsigned char)(value >> 16);
-  argument[1] = (unsigned char)(value >> 8);
-  argument[0] = (unsigned char)(value);
-}
-
-int
-sd_init(void)
-{
-  unsigned char response[5];
-  unsigned char argument[4];
-  int i,j;
-
-  for(i=0;i<4;i++)
-    argument[i] = 0;
-
-  // Set clock to less than 400 kHz to start out
-  sdspi_regs->clkdiv = 128;
-
-  // Delay at least 74 cycles
-  sd_assert_cs();
-  for(i = 0; i < 100; i++)
-    sd_send_byte(SD_IDLE);
-  sd_deassert_cs();
-  
-  // Initialization Sequence -- CMD0 CMD55 ACMD41 CMD58
-  // Put card in idle state
-  if(sd_send_command(SD_CMD0,SD_CMD0_R,response,argument)==0)
-    return 0;  // Something went wrong in command
-
-  j = 0;
-  do {
-    j++;
-    if(sd_send_command(SD_CMD55,SD_CMD55_R,response,argument)==1)
-      sd_send_command(SD_ACMD41,SD_ACMD41_R,response,argument);
-    else
-      j = SD_IDLE_WAIT_MAX;
-  }
-  while(((response[0] & SD_MSK_IDLE) == SD_MSK_IDLE) && (j < SD_IDLE_WAIT_MAX));
-
-  if(j>= SD_IDLE_WAIT_MAX)  // IDLE timeout exceeded, card asleep
-    return 0;
-  
-  // CMD58 reads the SD card capabilities
-  if(sd_send_command(SD_CMD58,SD_CMD58_R,response,argument)==0)
-    return 0;  // CMD58 FAIL
-
-  if((response[2] & SD_MSK_OCR_33) != SD_MSK_OCR_33)
-    return 0;  // Card doesn't do 3.3V
-
-  //printf("OCR = %x %x %x %x\n",response[0],response[1],response[2],response[3]);
-
-  // Set blocklen here
-  sd_packarg(argument,SD_BLOCKLEN);
-  if(sd_send_command(SD_CMD16,SD_CMD16_R,response,argument)==0)
-    return 0;    // Set Blocklen failed
-  
-  // Reset back to high speed
-  sdspi_regs->clkdiv = 4;
-  //puts("finished init\n");
-  return 1;
-}
-
-int sd_send_command(unsigned char cmd,unsigned char response_type,
-		    unsigned char *response,unsigned char *argument)
-{
-  int i;
-  char response_length;
-  unsigned char tmp;
-
-  sd_assert_cs();
-  sd_send_byte((cmd & 0x3F) | 0x40);
-  for(i=3;i>=0;i--)
-    sd_send_byte(argument[i]);
-  sd_send_byte(SD_CRC);   // Always the same
-
-  response_length = 0;
-  switch(response_type)
-    {
-    case SD_R1:
-    case SD_R1B:
-      response_length = 1;
-      break;
-    case SD_R2:
-      response_length = 2;
-      break;
-    case SD_R3:
-      response_length = 5;
-      break;
-    default:
-      break;
-    }
-
-  // Wait for a response, which will have a 0 start bit
-  i = 0;
-  do
-    {
-      tmp = sd_rcv_byte();
-      i++;
-    }
-  while(((tmp & 0x80) != 0) && i < SD_CMD_TIMEOUT);
-
-  if(i>= SD_CMD_TIMEOUT)
-    {
-      sd_deassert_cs();
-      //puts("cmd send timeout\n");
-      return 0;
-    }
-
-  for(i=response_length-1; i>=0; i--)
-    {
-      response[i] = tmp;
-      tmp = sd_rcv_byte();
-    }
-  i = 0;
-  if(response_type == SD_R1B)
-    {
-      do
-	{
-	  i++;
-	  tmp = sd_rcv_byte();
-	}
-      while(tmp != SD_IDLE);
-      sd_send_byte(SD_IDLE);
-    }
-  
-  //puts("send cmd success\n");
-  sd_deassert_cs();
-  return 1;
-}
-
-int
-sd_read_block (unsigned int blockaddr, unsigned char *buf)
-{
-  unsigned char response[5];
-  unsigned char argument[4];
-  unsigned int i = 0;
-  unsigned char tmp;
-
-  blockaddr <<= SD_BLOCKLEN_NBITS;
-  sd_packarg(argument,blockaddr);
-  if(sd_send_command(SD_CMD17,SD_CMD17_R,response,argument)==0)
-    return 0;    //Failed READ;
-  if(response[0] != 0)
-    return 0;    //Misaligned READ
-
-  sd_assert_cs();
-  i = 0;
-  do
-    {
-      tmp = sd_rcv_byte();
-      i++;
-    }
-  while((tmp == 0xFF) && (i < SD_RD_TIMEOUT));
-  if((i>= SD_RD_TIMEOUT) ||((tmp & SD_MSK_TOK_DATAERROR) == 0))
-    {
-      sd_send_byte(SD_IDLE);  // Send a dummy before quitting
-      return 0;   // Data ERROR
-    }
-  for(i=0;i<SD_BLOCKLEN;i++)
-    buf[i] = sd_rcv_byte();
-  return 1;
-
-}
-
-int
-sd_write_block(unsigned int blockaddr, const unsigned char *buf)
-{
-  // FIXME not implemented yet
-  return 0;
-}
diff --git a/firmware/microblaze/lib/sd.h b/firmware/microblaze/lib/sd.h
deleted file mode 100644
index e2d0ae38e..000000000
--- a/firmware/microblaze/lib/sd.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2008 Ettus Research LLC
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef INCLUDED_SD_H
-#define INCLUDED_SD_H
-
-#include "memory_map.h"
-
-#define SD_READY 1
-#define SD_IDLE_WAIT_MAX 100
-#define SD_CMD_TIMEOUT 100
-#define SD_RD_TIMEOUT 1000
-
-#define SD_CMD0 0
-#define SD_CMD1 1
-#define SD_CMD9 9
-#define SD_CMD10 10
-#define SD_CMD12 12
-#define SD_CMD13 13
-#define SD_CMD16 16
-#define SD_CMD17 17 
-#define SD_CMD18 18
-#define SD_CMD24 24
-#define SD_CMD25 25
-#define SD_CMD27 27
-#define SD_CMD28 28
-#define SD_CMD29 29
-#define SD_CMD30 30
-#define SD_CMD32 32
-#define SD_CMD33 33
-#define SD_CMD38 38
-#define SD_CMD55 55
-#define SD_CMD58 58
-#define SD_CMD59 59
-#define SD_ACMD41 41
-#define SD_IDLE 0xFF
-#define SD_CRC 0x95
-
-#define SD_R1 1
-#define SD_R1B 2
-#define SD_R2 3
-#define SD_R3 4
-
-#define SD_CMD0_R SD_R1
-#define SD_CMD16_R SD_R1
-#define SD_CMD17_R SD_R1
-#define SD_CMD55_R SD_R1
-#define SD_ACMD41_R SD_R1
-#define SD_CMD58_R SD_R3
-
-#define SD_BLOCKLEN 512
-#define SD_BLOCKLEN_NBITS 9
-
-#define SD_MSK_IDLE 0x01
-#define SD_MSK_OCR_33 0xC0
-#define SD_MSK_TOK_DATAERROR 0xE0
-
-
-int sd_init(void);
-
-static inline void
-sd_assert_cs(void)
-{
-  // Wait for idle before doing anything
-  while(sdspi_regs->status != SD_READY)
-    ;
-  sdspi_regs->status = 1;
-}
-
-static inline void
-sd_deassert_cs(void)
-{
-  // Wait for idle before doing anything
-  while(sdspi_regs->status != SD_READY)
-    ;
-  sdspi_regs->status = 0;
-}
-
-static inline char
-sd_rcv_byte(void)
-{
-  // Wait for idle before doing anything
-  while(sdspi_regs->status != SD_READY)
-    ;
-  sdspi_regs->send_dat = SD_IDLE;
-  while(sdspi_regs->status != SD_READY)
-    ;
-  return sdspi_regs-> receive_dat;
-}
-
-static inline void
-sd_send_byte(char dat)
-{
-  // Wait for idle before doing anything
-  while(sdspi_regs->status != SD_READY)
-    ;      // Wait for status = 1 (ready)
-  sdspi_regs->send_dat = dat;
-}
-
-
-int sd_send_command(unsigned char cmd,unsigned char response_type,
-		    unsigned char *response,unsigned char *argument);
-
-int sd_read_block (unsigned int blockaddr, unsigned char *buf);
-int sd_write_block(unsigned int blockaddr, const unsigned char *buf);
-
-#endif /* INCLUDED_SD_H */
diff --git a/firmware/microblaze/lib/spi.c b/firmware/microblaze/lib/spi.c
index 937397df6..bef808e57 100644
--- a/firmware/microblaze/lib/spi.c
+++ b/firmware/microblaze/lib/spi.c
@@ -43,7 +43,7 @@ spi_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags
   spi_wait();
 
   // Tell it which SPI slave device to access
-  spi_regs->ss = slave & 0xff;
+  spi_regs->ss = slave & 0xffff;
 
   // Data we will send
   spi_regs->txrx0 = data;
diff --git a/firmware/microblaze/lib/spi.h b/firmware/microblaze/lib/spi.h
index f5b69b270..01e4d26fd 100644
--- a/firmware/microblaze/lib/spi.h
+++ b/firmware/microblaze/lib/spi.h
@@ -48,5 +48,23 @@ void spi_wait(void);
 uint32_t
 spi_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags);
 
+// ----------------------------------------------------------------
+// Routines that manipulate the FLASH SPI BUS
+// ----------------------------------------------------------------
+
+/*!
+ * \brief One time call to initialize SPI
+ */
+void spif_init(void);
+
+/*! 
+ * \brief Wait for last SPI transaction to complete.
+ * Unless you need to know it completed, it's not necessary to call this.
+ */
+void spif_wait(void);
+
+uint32_t
+spif_transact(bool readback_, int slave, uint32_t data, int length, uint32_t flags);
+
 
 #endif /* INCLUDED_SPI_H */
diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c
index 6809101c0..75bc40859 100644
--- a/firmware/microblaze/lib/u2_init.c
+++ b/firmware/microblaze/lib/u2_init.c
@@ -25,9 +25,8 @@
 #include "i2c.h"
 #include "mdelay.h"
 #include "clocks.h"
-#include "usrp2_i2c_addr.h"
-
-//#include "nonstdio.h"
+#include "usrp2/fw_common.h"
+#include "nonstdio.h"
 
 unsigned char u2_hw_rev_major;
 unsigned char u2_hw_rev_minor;
@@ -35,8 +34,8 @@ unsigned char u2_hw_rev_minor;
 static inline void
 get_hw_rev(void)
 {
-  bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_REV_LSB, &u2_hw_rev_minor, 1);
-  ok &= eeprom_read(I2C_ADDR_MBOARD, MBOARD_REV_MSB, &u2_hw_rev_major, 1);
+  bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_LSB, &u2_hw_rev_minor, 1);
+  ok &= eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_MSB, &u2_hw_rev_major, 1);
 }
 
 /*
@@ -68,7 +67,7 @@ u2_init(void)
   mdelay(100);
   hal_set_leds(0x1f, 0x1f);
   mdelay(100);
-  hal_set_leds(0x1, 0x1f);  // Leave the first one on
+  hal_set_leds(LED_D, 0x1f);  // Leave one on
 
 #if 0
   // test register readback